Chapter 26 Multiple Choice Quiz 1

Please answer all questions


1	Of the total water supply, the amount that is available for human consumption and agriculture is
		A)	less than 1%
		B)	about 3%
		C)	about 50%
		D)	over 97%


2	Compared to the amount of surface water the amount of water stored in groundwater is
		A)	1/10 as great.
		B)	roughly equal.
		C)	about 5 times as great.
		D)	roughly 30 times as great.


3	The average daily water use in the United States amounts to about how many liters per day?
		A)	150
		B)	570
		C)	1500
		D)	5700


4	A watershed is
		A)	a layer of permeable material capable of storing groundwater.
		B)	the land area drained by a stream.
		C)	the amount of precipitation released by a rainstorm.
		D)	the amount of water stored in the ground and in reservoirs.


5	A layer of heavy clay after a rain would be
		A)	highly porous and permeable.
		B)	quite porous, but not very permeable.
		C)	not very porous, but quite permeable.
		D)	neither porous nor permeable.


6	The Gulf of Mexico is a shallow sea of the
		A)	Atlantic Ocean
		B)	Indian Ocean
		C)	Pacific Ocean
		D)	South American Ocean.


7	The two most common ions in seawater are sodium and
		A)	calcium.
		B)	carbonate.
		C)	magnesium.
		D)	chlorine.


8	The average salinity of the earth's oceans is about
		A)	0.35%
		B)	3.5%
		C)	35%
		D)	None of these.


9	The characteristics of ocean waves are influenced by
		A)	wind speed.
		B)	length of time the wind blows.
		C)	the fetch.
		D)	all of these.


10	A current that moves parallel to the shore in the surf zone is called a
		A)	rip current
		B)	longshore current.
		C)	undertow.
		D)	turbidity current.

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